Product Description
The TM221C16T is a compact logic controller from the Modicon M221 series. It features 16 I/O with transistor PNP outputs. This unit delivers robust control for small to medium automation tasks. It supports up to 4 expansion modules. The controller operates on a 24 V DC supply. It integrates fast inputs and outputs for high-speed counting and pulse generation.
Technical Specifications
Brand: Schneider Electric
Model: TM221C16T
Series: Modicon M221
Type: Logic Controller, Transistor PNP
| Parameter | Value / Range |
| Rated Supply Voltage | 24 V DC (20.4…28.8 V) |
| Discrete Inputs | 9 (incl. 4 fast), 7 mA, 3.4 kΩ |
| Analogue Inputs | 2 channels, 0…10 V, 10-bit, 10 mV LSB |
| Discrete Outputs | 7 transistor PNP, 24 V DC, 0.5 A each |
| Fast Output Frequency | 100 kHz (PWM/PLS) on Q0…Q1 |
| Memory Capacity | 256 kB RAM + 256 kB flash, 10000 instr. |
| Response Time (Input) | 5 µs (fast) / 35 µs (standard) |
| Protection | Overload, short-circuit (0.2 A), auto reset |
| Real-time Clock | Yes, drift ≤30 s/month at 25 °C |
| Operating Temperature | -10…55 °C (horizontal), -10…35 °C (vertical) |
| Vibration / Shock | 3.5 mm / 1 gn (5…150 Hz), 147 m/s² |
- Resolution: 10-bit analogue, 10 mV per bit.
- Linearity & Accuracy: ±1 % of full scale for analogue inputs.
- Frequency Response: Fast outputs up to 100 kHz, standard up to 0.1 kHz.
- Environmental tolerance: IP20 (cover on), pollution degree ≤2, altitude 0…2000 m.
- Immunity: ESD 4 kV contact / 8 kV air, EFT 2 kV power lines, surge 2 kV CM.
- Communication: USB (Mini B), RS485, RS232 (RJ45), Modbus RTU/ASCII.
- Expansion: Up to 4 I/O modules (transistor or relay).
Installation & Mounting
- Mount on DIN rail TH35-7.5/15 (IEC 60715) or panel with fixing kit.
- Use shielded cable for fast I/O (max 3 m for outputs, 10 m for fast inputs).
- Unshielded cable: 30 m for digital I/O, 1 m for analogue inputs.
- Connect 24 V DC power to the 3-terminal block.
- Removable screw terminal blocks for inputs and outputs.
Debugging & Maintenance
- Local LEDs: PWR, RUN, ERR, BAT, SL1, SL2, and I/O state per channel.
- Auto-reset protection for overload and short-circuit (0.2 A threshold).
- Configuration via USB port with SoMachine-Network or Modbus.
- Backup data to built-in flash or optional 2 GB SD card.
- Battery type BR2032 (4 years life) for real-time clock backup.
Compatibility & Communication
- Protocols: Modbus master/slave (RTU/ASCII), SoMachine-Network, USB.
- Serial links: Non-isolated RS485 and RS232 (RJ45), 1.2…115.2 kbps.
- Expansion bus: 5 V @ 0.325 A and 24 V @ 0.15 A for modules.
- Supports up to 14 PID loops, PTO positioning (2 axes, 100 kHz).
- HSC: 4 fast inputs (100 kHz, 32-bit) with A/B, pulse/dir, single-phase.
- Compatible with Modicon Quantum systems via Modbus.
Certifications & Standards
- IEC 61131-2, EN/IEC 61010-2-201, EN/IEC 60664-1.
- Product certifications: ABS, CSA, CULus, LR, IACS E10, RCM, EAC, DNV-GL.
- CE marked, Green Premium compliant (RoHS, REACH).
- EMC: Radiated/conducted emissions class A, immunity to microbreaks 10 ms.
Packaging & Warranty
- In the box: Logic controller TM221C16T, terminal blocks, documentation.
- Warranty: 12 months from date of shipment.
- All units are tested and verified before shipping.
Shipping Options
- FedEx, UPS, DHL – global express shipping available.
- Tracking number provided for all orders.
Typical Applications
- Small conveyor control, packaging machines, and sorting systems.
- Positioning with PTO (pulse/direction) for stepper/servo drives.
- PWM / PLS for speed or power regulation.
- PID control for temperature, pressure, or flow loops.
- High-speed counting for encoder or flowmeter inputs.
Diagnostic Capabilities
- Built-in error LED (ERR) and module status (RUN/PWR).
- I/O state LEDs for quick visual check.
- Software diagnostics via SoMachine or Modbus.
- Automatic protection reset and fault logging.
Frequently Asked Questions
- Q: What is the maximum expansion? A: Up to 4 transistor or relay I/O modules.
- Q: Can it run PID loops? A: Yes, supports up to 14 simultaneous PID loops.
- Q: Is the battery included? A: Yes, BR2032 lithium battery is pre-installed.
- Q: What software is required? A: SoMachine or SoMachine-Network for programming.
- Q: Does it support Modbus? A: Yes, master/slave over RS485/RS232 (RTU/ASCII).
Why Buy From Oiltech Controls?
- Over 15 years in industrial automation spare parts.
- Global shipping with FedEx, UPS, or DHL.
- Surplus and refurbished options, fully tested.
- 12-month warranty on every unit.
- Technical verification performed before shipment.
- Support for obsolete control systems and legacy equipment.
Contact Information
Email: info@oiltechcontrols.com
WhatsApp: +86 158 8020 0923
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